All Questions

Im sorry in forward, Im sure I wont be able to express myself well. Its a game system: abstract class GameType { private $score; public __constructor($score) { $this->score = $...

A little more detail. Like I said I'm building this University Management System and it will have user authentication. It will also user authorization for some parts of the web layer, for example only ...

Let's assume you have a project (e.g. .NET Core) using dependency injection. A database repository relies on a database connection string. public abstract class BaseRepository { // use this when ...

I have two classes AST and ASTNode for working with some tree-like data. Both these classes have networkx graph as a field and a node id (integer). For AST this id refers to the root of a tree. These ...

Option 1: In ASP.NET Core Web Application, we can choose API template to create the Web Api project. Option 2: In Blazor App, we can choose Blazor Web Assembly App and enable ASP.NET Core hosted where ...

I'm not sure if it's just a personal coincidence, but last years whenever I've been working in developing an Android app in a company, it looked like using fragments was a must (cannot say if it was ...

I simply wanted to know if the internal implementation of the TreeSet class in java is Red Black Binary Search Tree. Ideally, I would think that it is a threaded RB-BST, since it supports iteration ...

For code maintainability I understand that it is generally better to have code structured like this: void abc() { a(); b(); c(); d(); } Instead of like: void abcd() { a(); bcd(...

If you’re not a liar but you tell someone you are a liar is that statement true or false? Update with pseudo code: while (person.isAlive) { var lieRatio = person.numberOfStatements/author....

I have two aggregate roots: User and Sketches. In my application, users can clap for a Sketch. In the service layer, it looks as so: class SketchService { constructor ({ SketchRepository }) { ...

From RFC 7231 "Hypertext Transfer Protocol (HTTP/1.1): Semantics and Content" Section 4.2.2 "Idempotent Methods": A request method is considered "idempotent" if the ...

Often when I'm doing an operation comparing an array to itself, I write code along these lines: function operation (array) { for (let i = 0; i < array.length; i++) { for (let j = i + 1; j <...

I have been tasked to set up a guide for a microservice solution structure and find myself reflecting on why exactly I do things the way I do them. I am struggling to find an answer to the question ...

I'd like to create a web API. It would be used on my websites and potentially by others as well. I intend to use a single token to authorise users. You see, this API acts as an OAuth2 client (or ...

Warning: long question ahead, don't be afraid, I just tried to be as precise as possible about details for who wants them but many paragraphs are skipables if you already understood what I want ;). ...

The Main Question Is it ever acceptable to use a negative name for a boolean variable? For example, I have a few user forms that have a checkbox for "N/A" or "Not Assessed". These ...

Assuming that I have some sort of enterprise accounting software system(web application). I have many individual companies/customers that use this system. So each company when they use the system. ...

Rights management in our applications is based on the RBAC standard. Groups are stored in our authentication service and transmitted through the jwt token. Each application then has a mapping of these ...

I have written a Machine Learning based microservice in Python and using Flask for the REST endpoints. There is a need to pull data by calling around 4 REST APIs. But the call to the 2 APIs is going ...

The company I'm currently working for has a feature in an enterprise app where a user can add columns to a table configuration on a web GUI through fields and a button, and a corresponding SQL table ...

Currently, we have the issue where we have two codebases (API & Website) calling the same database (along with some duplicate business logic) and we want to streamline this so all requests are ...

I am working on a project in which I have to read data from liquid level sensor installed in tank which measures fluid level and sends output in millivolt. The device has predefined ranges of voltage ...

Is capture by value (x below) an early binding and capture by reference (y below) a late binding in C++ lambdas, or are they both early bindings—the first by value and the second by reference? #...

Background: We're a smaller shop that puts out a number of products that require authentication and authorization. We're currently using a 3rd party service to "spin up new auth APIs" for ...

I am trying to find issues reported in OpenSource software based on release (Version). I find it really difficult when using github. For example, how to search for Angular 8.2.0 - here: https://github....

My task is to analyze a system used in our office which is based on Excel for storing data. The data is entered manually by a person. So when we need to update or edit the data, we use Excel's ...

I have a project which consists of a data feed (infinite scroll), the feed can be filtered and gets the data from a JS call - this is acting like a SPA. You can vote on each post in the feed too. Also,...

The suggested file structure for docker container is something like root ├── app/ | ├── ... | └── Dockerfile | ├── db/ | ├── ... | └── Dockerfile ... └── docker-compose.yaml So where ...

Context Espressif's embedded development libraries for the ESP32 microcontroller contain an event system based on FreeRTOS. The event system handles connectivity, interrupts and other IO activity, but ...

I have .NET Core WebApi application with JWT token for authorization. I also have roles and permissions. To make it more flexible for end user, I decided to make permissions like this: [Authorize(...

I have a list of application configs and business configs in a particular root folder inside our git repository. Below is our current structure as of now: We have a root Data folder and inside that ...

Consider an entity that can have multiple rows for each user and it has a property that should be true for only one row for a given user. I am on the NoSQL database (AWS DynamoDB) On my service layer -...

TL;DR Why is the UNIX / functional style of composing and injecting smaller functions so much rarer than the Beck/Fowler/Bob refactor-to-objects style when it comes to writing maintainable, "...

I'm building a platform that has an entity named content. There's a clear boundary around what defines content except that it can have relationships with other content entities. Up until now, there's ...

I was recently trying to explain a particular anti-pattern to some novice programmers and found that it was hard to express without an overly-detailed example. I'm sure it has a name and that someone ...

I'm doing some research on how to scale our current SQL database and need some advice with a possible solution. The goal being able to handle more data and doing it in a way that performs well. We ...

I am writing CLI program that can accept very long strings. For this reason I decided to pipe the data into the program as I would hit limitation of the shell / OS. How should these CLI program ...

C++ supports protected inheritance: A class can derive from a base class B in a way that the "outside" world doesn't see that class "as a B" but the class itself and it's derived ...

I have a frontend through which users can submit analysis requests, which are inserted into a database. These analysis requests are received in a NodeJS server using Postgres notify/listen. Using ...

I'm working with the Dependency Injection Pattern in Unity3D (an engine which uses MonoBehavior, a class that doesn't have a constructor, as the base class for all of its game components), and I ended ...

I work in a field where lots of code is written, but hardly ever tested. This is because we are foremost scientists who try to solve problems with code. The few coding courses we had, focused on the ...

Example Application I will try to explain my problem by using a familiar application. Lets'say I'm building a Discord / Slack / Microsoft Teams clone; and for simplicity’s sake, it will contain 2 ...

I'm building HTTP API with DDD principles. The end goal is that the server runs on some chosen language X but the clients can use what ever language the software supports. Service has state, but HTTP ...

I have a bunch of excel files(Multiple sheets) with some data of similar types, but i'm having troubles when this data has to be inserted in SQL DB. the data in these files are unordered (eg: the ...

Suppose we have some microservices and a saga will run to do a transaction in 6 microservices. What if the whole system dies(unexpected shutdown), on middle of saga process in the step number 4?(...

I am developing a RESTful application with nodejs in the backend with express.js as middleware. I am also developing a client in Reactjs. I want to use an external authentication service (LDAP/AD/ADFS)...

We are developing a mobile app where consumers (companies) create AR content for their products. The content ranges from simple pictures to gifs and embedded videos. We already released versions ...

I have seen on this forum that performing the same operations with long (type of variables) takes more time as they are declared as int. See , for example: https://stackoverflow.com/questions/19844048/...

I am encountering a design problem on a new project. I have chosen the library Luxon (https://moment.github.io/luxon/) because I think it suits this project perfectly. Date-fns (https://date-fns.org/) ...

An example would be an Automobile sales application where Autos are stored with their Make and FuelTypes. An application user would save their search criteria in a SearchCriteria table which would be ...